open-consul/.github/workflows/website-checker.yml

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# The outline of this workflow is something that the GitHub Security team warns against
# here: https://securitylab.github.com/research/github-actions-preventing-pwn-requests. But
# due to this workflow only running a git diff check and not building or publishing anything,
# there is no harm in checking out the PR HEAD code.
#
# All the code checked out in this workflow should be considered untrusted. This workflow must
# never call any makefiles or scripts. It must never be changed to run any code from the checkout.
# This workflow posts a message to a PR to remind maintainers that there are website/ changes
# in the PR and if they need to be cherry-picked to the stable-website branch, the
# 'type/docs-cherrypick' label needs to be applied.
on:
pull_request_target:
types: [opened]
# Runs on PRs to main and all release branches
branches:
- main
- release/*
jobs:
# checks that a 'type/docs-cherrypick' label is attached to PRs with website/ changes
website-check:
# If there's already a `type/docs-cherrypick` label or an explicit `pr/no-docs` label, we ignore this check
if: >-
!contains(github.event.pull_request.labels.*.name, 'type/docs-cherrypick') ||
!contains(github.event.pull_request.labels.*.name, 'pr/no-docs')
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
with:
ref: ${{ github.event.pull_request.head.sha }}
fetch-depth: 0 # by default the checkout action doesn't checkout all branches
- name: Check for website/ dir change in diff
run: |
# check if there is a diff in the website/ directory
website_files=$(git --no-pager diff --name-only HEAD "$(git merge-base HEAD "origin/${{ github.event.pull_request.base.ref }}")" -- website/)
# If we find changed files in the website/ directory, we post a comment to the PR
if [ -n "$website_files" ]; then
# post PR comment to GitHub to check if a 'type/docs-cherrypick' label needs to be applied to the PR
echo "website-check: Did not find a 'type/docs-cherrypick' label, posting a reminder in the PR"
github_message="🤔 This PR has changes in the \`website/\` directory but does not have a \`type/docs-cherrypick\` label. If the changes are for the next version, this can be ignored. If they are updates to current docs, attach the label to auto cherrypick to the \`stable-website\` branch after merging."
curl -s -H "Authorization: token ${{ secrets.PR_COMMENT_TOKEN }}" \
-X POST \
-d "{ \"body\": \"${github_message}\"}" \
"https://api.github.com/repos/${GITHUB_REPOSITORY}/issues/${{ github.event.pull_request.number }}/comments"
fi